Advances in Civil Engineering / 2020 / Article / Fig 15

Research Article

Study on the Rheological Failure Mechanism of Weakly Cemented Soft Rock Roadway during the Mining of Close-Distance Coal Seams: A Case Study

Figure 15

Stress changes under the coal pillar: (a) excavation of the 2-2 upper coal seam; (b) excavation of the P20314 working face.
(a)
(b)

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